<template>
  <div class="app-container">
    <el-card shadow="always" class="top-card">
      <el-form :model="queryParams.params" ref="queryForm" :inline="true">
        <el-form-item label="角色名称" prop="roleName">
          <el-input v-model="queryParams.params.roleName" placeholder="请输入角色名称" clearable size="small" style="width: 240px"
            @keyup.enter.native="handleQuery" />
        </el-form-item>
        <el-form-item label="权限字符" prop="roleKey">
          <el-input v-model="queryParams.params.roleKey" placeholder="请输入权限字符" clearable size="small" style="width: 240px"
            @keyup.enter.native="handleQuery" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select v-model="queryParams.params.status" placeholder="角色状态" clearable size="small" style="width: 240px">
            <el-option v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictLabel" :value="dict.dictValue" />
          </el-select>
        </el-form-item>
        <el-form-item label="创建时间">
          <el-date-picker v-model="dateRange" size="small" style="width: 240px" value-format="yyyy-MM-dd" type="daterange"
            range-separator="-" start-placeholder="开始日期" end-placeholder="结束日期"></el-date-picker>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
    </el-card>

    <el-card shadow="always" class="bottom-card">
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['system:role:add']">新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="info" icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['system:role:edit']">修改</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button type="danger" icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
            v-hasPermi="['system:role:remove']">删除</el-button>
        </el-col>
      </el-row>

      <el-table v-loading="loading" :data="roleList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="角色编号" prop="roleId" width="120" />
        <el-table-column label="角色名称" prop="roleName" :show-overflow-tooltip="true" width="150" />
        <el-table-column label="权限字符" prop="roleKey" :show-overflow-tooltip="true" width="150" />
        <el-table-column label="显示顺序" prop="roleSort" width="100" />
        <el-table-column label="状态" align="center" width="100">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.status" active-value="0" inactive-value="1" @change="handleStatusChange(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="创建时间" align="center" prop="createTime" width="180" :formatter="(row)=>parseTime(row.createTime,'{y}-{m}-{d}')">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.createTime) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:role:edit']">修改</el-button>
            <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['system:role:remove']">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
        @pagination="getList" />

      <!-- 添加或修改角色配置对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="角色名称" prop="roleName">
            <el-input v-model="form.roleName" placeholder="请输入角色名称" />
          </el-form-item>
          <el-form-item label="权限字符" prop="roleKey">
            <el-input v-model="form.roleKey" placeholder="请输入权限字符" />
          </el-form-item>
          <el-form-item label="角色顺序" prop="roleSort">
            <el-input-number v-model="form.roleSort" controls-position="right" :min="0" />
          </el-form-item>
          <el-form-item label="状态">
            <el-radio-group v-model="form.status">
              <el-radio v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictValue">{{dict.dictLabel}}</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="菜单权限">
            <el-tree :data="menuOptions" show-checkbox ref="menu" node-key="id" empty-text="加载中，请稍后" :props="defaultProps"></el-tree>
          </el-form-item>
          <el-form-item label="备注">
            <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"></el-input>
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
  import {
    listRole,
    getRole,
    delRole,
    addRole,
    updateRole, 
    dataScope,
    changeRoleStatus
  } from "@/api/system/role";
  import {
    treeselect as menuTreeselect,
    roleMenuTreeselect
  } from "@/api/system/menu";

  export default {
    name: "Role",
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 总条数
        total: 0,
        // 角色表格数据
        roleList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 是否显示弹出层（数据权限）
        openDataScope: false,
        // 日期范围
        dateRange: [],
        // 状态数据字典
        statusOptions: [],
        // 菜单列表
        menuOptions: [],
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          params:{
            roleName: undefined,
            roleKey: undefined,
            status: undefined
          }
        },
        // 表单参数
        form: {},
        defaultProps: {
          children: "children",
          label: "label"
        },
        // 表单校验
        rules: {
          roleName: [{
            required: true,
            message: "角色名称不能为空",
            trigger: "blur"
          }],
          roleKey: [{
            required: true,
            message: "权限字符不能为空",
            trigger: "blur"
          }],
          roleSort: [{
            required: true,
            message: "角色顺序不能为空",
            trigger: "blur"
          }]
        }
      };
    },
    created() {
      this.getList();
      this.getDicts("sys_normal_disable").then(res => {
        this.statusOptions = res.data;
      });
    },
    methods: {
      /** 查询角色列表 */
      getList() {
        this.loading = true;
        this.queryParams.params = this.addDateRange(this.queryParams.params, this.dateRange)
        listRole(this.queryParams).then(
          res => {
            this.roleList = res.data.records;
            this.total = res.data.total;
            this.loading = false;
          }
        );
      },
      /** 查询菜单树结构 */
      getMenuTreeselect() {
        menuTreeselect().then(res => {
          this.menuOptions = res.data;
        });
      },
      // 所有菜单节点数据
      getMenuAllCheckedKeys() {
        // 目前被选中的菜单节点
        let checkedKeys = this.$refs.menu.getHalfCheckedKeys();
        // 半选中的菜单节点
        let halfCheckedKeys = this.$refs.menu.getCheckedKeys();
        checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys);
        return checkedKeys;
      },
      /** 根据角色ID查询菜单树结构 */
      getRoleMenuTreeselect(roleId) {
        return roleMenuTreeselect(roleId).then(res => {
          this.menuOptions = res.data.menus;
          return res;
        });
      },
      // 角色状态修改
      handleStatusChange(row) {
        let text = row.status === "0" ? "启用" : "停用";
        this.$confirm('确认要"' + text + '""' + row.roleName + '"角色吗?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return changeRoleStatus(row.roleId, row.status);
        }).then(() => {
          this.msgSuccess(text + "成功");
        }).catch(function() {
          row.status = row.status === "0" ? "1" : "0";
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 取消按钮（数据权限）
      cancelDataScope() {
        this.openDataScope = false;
        this.reset();
      },
      // 表单重置
      reset() {
        if (this.$refs.menu != undefined) {
          this.$refs.menu.setCheckedKeys([]);
        }
        this.form = {
          roleId: undefined,
          roleName: undefined,
          roleKey: undefined,
          roleSort: 0,
          status: "0",
          menuIds: [],
          deptIds: [],
          remark: undefined
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.dateRange = [];
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.roleId)
        this.single = selection.length != 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.getMenuTreeselect();
        this.open = true;
        this.title = "添加角色";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const roleId = row.roleId || this.ids
        const roleMenu = this.getRoleMenuTreeselect(roleId);
        getRole(roleId).then(res => {
          this.form = res.data;
          this.open = true;
          this.$nextTick(() => {
            roleMenu.then(res => {
              this.$refs.menu.setCheckedKeys(res.data.checkedKeys);
            });
          });
          this.title = "修改角色";
        });
      },
      /** 分配数据权限操作 */
      handleDataScope(row) {
        this.reset();
        const roleDeptTreeselect = this.getRoleDeptTreeselect(row.roleId);
        getRole(row.roleId).then(res => {
          this.form = res.data;
          this.openDataScope = true;
          this.$nextTick(() => {
            roleDeptTreeselect.then(res => {
              this.$refs.dept.setCheckedKeys(res.data.checkedKeys);
            });
          });
          this.title = "分配数据权限";
        });
      },
      /** 提交按钮 */
      submitForm: function() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.roleId != undefined) {
              this.form.menuIds = this.getMenuAllCheckedKeys();
              updateRole(this.form).then(res => {
                if (res.code === 200) {
                  this.msgSuccess("修改成功");
                  this.open = false;
                  this.getList();
                }
              });
            } else {
              this.form.menuIds = this.getMenuAllCheckedKeys();
              addRole(this.form).then(res => {
                if (res.code === 200) {
                  this.msgSuccess("新增成功");
                  this.open = false;
                  this.getList();
                }
              });
            }
          }
        });
      },
      /** 提交按钮（数据权限） */
      submitDataScope: function() {
        if (this.form.roleId != undefined) {
          this.form.deptIds = this.getDeptAllCheckedKeys();
          dataScope(this.form).then(res => {
            if (res.code === 200) {
              this.msgSuccess("修改成功");
              this.openDataScope = false;
              this.getList();
            }
          });
        }
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const roleIds = row.roleId || this.ids;
        this.$confirm('是否确认删除角色编号为"' + roleIds + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delRole(roleIds);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
      }
    }
  };
</script>

<style>
  .top-card .el-card__body {
    padding-bottom: 0;
  }

  .bottom-card {
    margin-top: 10px;
  }
</style>
